Except for hierarchical file systems (which some consider a form of database), navigational techniques fell out of favor by the 1980s.

Whatever the reason, navigational techniques are still the preferred way to handle smaller-scale structures.

He developed new instruments as well as special navigational techniques for use in polar regions.

"And you've got to get the new navigational technique down, too," he added.

She kept the conversation on conversion speeds and various navigational techniques.

The second noteworthy feature was a function of the Guild navigational techniques.

All navigational techniques involve locating the navigator's position compared to known locations or patterns.

Its aims are to bring navigators together, to develop navigational techniques and to increase public awareness of navigation.

"Early navigational techniques have always fascinated me," Austin said.

With the subsequent development of new navigational techniques, it was no longer necessary to stay within sight of land.